From: Rémi Denis-Courmont <r...@remlab.net> --- libavutil/riscv/float_dsp_init.c | 9 ++++++++- libavutil/riscv/float_dsp_rvv.S | 34 ++++++++++++++++++++++++++++++++ 2 files changed, 42 insertions(+), 1 deletion(-)
diff --git a/libavutil/riscv/float_dsp_init.c b/libavutil/riscv/float_dsp_init.c index 279412c036..4135284c76 100644 --- a/libavutil/riscv/float_dsp_init.c +++ b/libavutil/riscv/float_dsp_init.c @@ -22,9 +22,13 @@ #include "libavutil/cpu.h" #include "libavutil/float_dsp.h" +void ff_vector_fmul_rvv(float *dst, const float *src0, const float *src1, + int len); void ff_vector_fmul_scalar_rvv(float *dst, const float *src, float mul, int len); +void ff_vector_dmul_rvv(double *dst, const double *src0, const double *src1, + int len); void ff_vector_dmul_scalar_rvv(double *dst, const double *src, double mul, int len); @@ -33,9 +37,12 @@ av_cold void ff_float_dsp_init_riscv(AVFloatDSPContext *fdsp) int flags = av_get_cpu_flags(); if (flags & AV_CPU_FLAG_ZVE32F) { + fdsp->vector_fmul = ff_vector_fmul_rvv; fdsp->vector_fmul_scalar = ff_vector_fmul_scalar_rvv; - if (flags & AV_CPU_FLAG_ZVE64D) + if (flags & AV_CPU_FLAG_ZVE64D) { + fdsp->vector_dmul = ff_vector_dmul_rvv; fdsp->vector_dmul_scalar = ff_vector_dmul_scalar_rvv; + } } } diff --git a/libavutil/riscv/float_dsp_rvv.S b/libavutil/riscv/float_dsp_rvv.S index 98d06c6d07..15c875f9d2 100644 --- a/libavutil/riscv/float_dsp_rvv.S +++ b/libavutil/riscv/float_dsp_rvv.S @@ -21,6 +21,23 @@ .option arch, +v +// (a0) = (a1) * (a2) [0..a3-1] +func ff_vector_fmul_rvv +1: vsetvli t0, a3, e32, m8, ta, ma + slli t1, t0, 2 + vle32.v v16, (a1) + add a1, a1, t1 + vle32.v v24, (a2) + add a2, a2, t1 + vfmul.vv v16, v16, v24 + sub a3, a3, t0 + vse32.v v16, (a0) + add a0, a0, t1 + bnez a3, 1b + + ret +endfunc + // (a0) = (a1) * fa0 [0..a2-1] func ff_vector_fmul_scalar_rvv #if defined (__riscv_float_abi_soft) @@ -41,6 +58,23 @@ func ff_vector_fmul_scalar_rvv ret endfunc +// (a0) = (a1) * (a2) [0..a3-1] +func ff_vector_dmul_rvv +1: vsetvli t0, a3, e64, m8, ta, ma + slli t1, t0, 3 + vle64.v v16, (a1) + add a1, a1, t1 + vle64.v v24, (a2) + add a2, a2, t1 + vfmul.vv v16, v16, v24 + sub a3, a3, t0 + vse64.v v16, (a0) + add a0, a0, t1 + bnez a3, 1b + + ret +endfunc + // (a0) = (a1) * fa0 [0..a2-1] func ff_vector_dmul_scalar_rvv #if defined (__riscv_float_abi_soft) || defined (__riscv_float_abi_single) -- 2.37.2 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".